When I was in the 4th grade, I had two semi-imaginary friends. I actually had them for quite some time before the 4th grade, but they became manifest in comic form when I was in the 4th grade.
Anyway, they were semi-imaginary because while their bodies existed in the physical world, their souls were the product of my imagination. I would simply turn my hands into finger dragons, the one on the left was Drefus, the one on the right was Drecus.
In this world, Drefus and Drecus used to play with me and my little brother. My little brother used to beat up on them, and they were wonderfully stupid. They could teleport into another dimension at will when they feared an imminent beatdown, or when they felt like it in general. The dimension they would teleport to was their home dimension of Broo-Wakka-Do, a place beyond the comprehension of most human minds.
When I hit the 4th grade, I decided to make a series of comics about their wacky misadventures. In their comic realm, Drefus and Drecus had bodies that were like rays in geometry - their bodies were of infinite length, like snakes of incomprehensible measurements. They also had claws they could retract that were so sharp they could cut through a neutron star like butter (yes, I knew all about neutron stars in the 4th grade).
In these comics, one or both of them would die a violent and bloody death due to their stupidity. I wanted to make over 500 of these comics, sell them, and spend the money on a comic and animation studio/business. I made quite a lot, most of their comic adventures took place in this world, but some of them took place in Broo-Wakka-Do. I've managed to find about 25 of them, all taking place in this world, and I'm posting them here, in order of their "publication":
I'll post more if/when I find them...